This repository has been archived by the owner on Feb 24, 2020. It is now read-only.
/
copy.go
88 lines (77 loc) · 2.14 KB
/
copy.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
// Copyright 2015 The appc Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package lib
import (
"fmt"
"os"
"path"
"github.com/appc/spec/aci"
"github.com/coreos/rkt/pkg/fileutil"
"github.com/coreos/rkt/pkg/user"
)
// CopyToDir will copy all elements specified in the froms slice into the
// directory inside the current ACI specified by the to string.
func (a *ACBuild) CopyToDir(froms []string, to string) (err error) {
if err = a.lock(); err != nil {
return err
}
defer func() {
if err1 := a.unlock(); err == nil {
err = err1
}
}()
target := path.Join(a.CurrentACIPath, aci.RootfsDir, to)
targetInfo, err := os.Stat(target)
switch {
case os.IsNotExist(err):
err := os.MkdirAll(target, 0755)
if err != nil {
return err
}
case err != nil:
return err
case !targetInfo.IsDir():
return fmt.Errorf("target %q is not a directory", to)
}
for _, from := range froms {
_, file := path.Split(from)
tmptarget := path.Join(target, file)
err := fileutil.CopyTree(from, tmptarget, user.NewBlankUidRange())
if err != nil {
return err
}
}
return nil
}
// CopyToTarget will copy a single file/directory from the from string to the
// path specified by the to string inside the current ACI.
func (a *ACBuild) CopyToTarget(from string, to string) (err error) {
if err = a.lock(); err != nil {
return err
}
defer func() {
if err1 := a.unlock(); err == nil {
err = err1
}
}()
target := path.Join(a.CurrentACIPath, aci.RootfsDir, to)
dir, _ := path.Split(target)
if dir != "" {
err := os.MkdirAll(dir, 0755)
if err != nil {
return err
}
}
return fileutil.CopyTree(from, target, user.NewBlankUidRange())
}